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WordNet-Online 
 Definitions from WordNet | ||||
| Definitions from the WebTufaNoun: Tufa refers to a type of porous limestone formed by the precipitation of carbonate minerals from water containing calcium ions. Sense: Tufa can also mean a mound or column of this porous limestone material. Usage: Tufa is often used in landscaping and garden design to create natural-looking rock formations. Example sentences: 
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| tue tueday  tues tuesday-wednesday tuesday tuesday  tuesday s tuesdays tufa tufenkian tuff tuffet tuffle tuft tufted tufted centaury tufted gentian 
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